Top Rankings
Central Islip Union Free School District ranks among the top 20% of public school district in New York for:
Category
Attribute
Community Size
Largest student body (number of students) (Top 1%)
For the 2025-26 school year, there is 1 public high school serving 2,597 students in Central Islip Union Free School District. This district's average high testing ranking is 6/10, which is in the top 50% of public high schools in New York.
Public High School in Central Islip Union Free School District have an average math proficiency score of 50% (versus the New York public high school average of 55%), and reading proficiency score of 77% (versus the 59% statewide average).
Public High School in Central Islip Union Free School District have a Graduation Rate of 80%, which is less than the New York average of 89%.
The school with highest graduation rate is Central Islip Senior High School, with 80% graduation rate. Read more about public school graduation rate statistics in New York or national school graduation rate statistics.
Minority enrollment is 98% of the student body (majority Hispanic), which is more than the New York public high school average of 61% (majority Hispanic).
Overview
This School District
This State (NY)
# Schools
8 Schools
1,462 Schools
# Students
7,677 Students
948,443 Students
# Teachers
535 Teachers
85,120 Teachers
Student-Teacher Ratio
14:1
14:1
Student By Grade
District Rank
Central Islip Union Free School District, which is ranked #908 of all 1,009 school districts in New York (based off of combined math and reading proficiency testing data) for the 2022-2023 school year.
The school district's graduation rate of 80% has decreased from 85% over five school years.
Overall District Rank
#910 out of 1017 school districts
(Bottom 50%)
(Bottom 50%)
Math Test Scores (% Proficient)
34%
52%
Reading/Language Arts Test Scores (% Proficient)
31%
49%
Science Test Scores (% Proficient)
65%
78%
Graduation Rate
80%
87%
Students by Ethnicity:
Diversity Score
0.32
0.72
% American Indian
n/a
1%
% Asian
1%
9%
% Hispanic
82%
30%
% Black
13%
18%
% White
2%
39%
% Hawaiian
n/a
n/a
% Two or more races
2%
3%
All Ethnic Groups
District Revenue and Spending
The revenue/student of $30,441 in this school district is less than the state median of $31,307. The school district revenue/student has stayed relatively flat over four school years.
The school district's spending/student of $27,532 is less than the state median of $32,183. The school district spending/student has stayed relatively flat over four school years.
Total Revenue
$234 MM
$78,541 MM
Spending
$211 MM
$80,737 MM
Revenue / Student
$30,441
$31,307
Spending / Student
$27,532
$32,183
Best Central Islip Union Free School District Public High Schools (2025-26)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
Central Islip Senior High School
(Math: 50% | Reading: 75-79%)
Rank:
Rank:
8/
Top 30%10
85 Wheeler Rd
Central Islip, NY 11722
(631) 348-5079
Central Islip, NY 11722
(631) 348-5079
Gr: 9-12 | 2,597 students Student-teacher ratio: 17:1 Minority enrollment: 98%
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